TWI712455B - Gearbox in rolling mill technology - Google Patents

Gearbox in rolling mill technology Download PDF

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Publication number
TWI712455B
TWI712455B TW107120522A TW107120522A TWI712455B TW I712455 B TWI712455 B TW I712455B TW 107120522 A TW107120522 A TW 107120522A TW 107120522 A TW107120522 A TW 107120522A TW I712455 B TWI712455 B TW I712455B
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Taiwan
Prior art keywords
drive
transmission
output shaft
drive output
clutch
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TW107120522A
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Chinese (zh)
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TW201906673A (en
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馬諦席亞斯 庫魯閣
法蘭克 莫勒林
奈瑟萊 凱提克
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德商Ｓｍｓ集團有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
    • B21B35/04—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills each stand having its own motor or motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
    • B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F16H2003/0931—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts each countershaft having an output gear meshing with a single common gear on the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)

Abstract

Gearbox (1) with at least two change stages, preferably for use in rolling mill technology, comprising: a rotatably mounted drive input shaft (20) to which an input torque can be applied; a rotatably mounted first drive output shaft (30) and a rotatably mounted second drive output shaft (40) arranged in parallel and so connected together by way of a drive output transmission stage that in each change stage of the gearbox (1) they rotate in opposite sense, preferably at the same rotational speed, when an input torque is applied to the drive input shaft (20); and a first clutch (50) arranged to connect together and separate the drive input shaft (20) and the first drive output shaft (30) in a switchable manner, wherein in the engaged state of the first clutch (50) a first change stage of the gearbox (1) is realised in which the drive input shaft (20) and the first drive output shaft (30) are so connected together that the input torque is transmitted from the drive input shaft (20) to the first drive output shaft (30) without speed step-up or step-down translation and preferably without diversion and without a gearwheel stage.

Description

滾軋機技術中的變速器 Transmission in rolling mill technology

本發明係關於一種具有至少兩個變速級之變速器，特定言之一種大齒輪/小齒輪變速器，該變速器包含一可旋轉安裝之驅動輸入軸、一可旋轉安裝之第一驅動輸出軸及一可旋轉安裝的第二驅動輸出軸，該驅動輸出軸經並行配置且借助於一驅動輸出傳輸級連接在一起，使得在該變速器之每一變速級中，該等驅動輸出軸在一輸入扭矩施加至該驅動輸入軸時在反方向上旋轉。該變速器較佳可用作軋輥之驅動器的部分，例如，滾軋機技術中之工作軋輥、中間軋輥及/或背襯軋輥。 The present invention relates to a transmission with at least two gear stages, in particular a large gear/pinion gear transmission, the transmission includes a rotatably mounted drive input shaft, a rotatably mounted first drive output shaft and a Rotationally mounted second drive output shafts, which are arranged in parallel and connected together by means of a drive output transmission stage, so that in each gear stage of the transmission, the drive output shafts apply an input torque to The drive input shaft rotates in the opposite direction. The transmission can preferably be used as part of the drive of the rolls, for example, the working rolls, intermediate rolls and/or backing rolls in rolling mill technology.

具有大齒輪變速級及小齒輪級之傳輸裝置用於滾軋機技術中的直立式主驅動器中。大齒輪級起到相對於驅動輸入旋轉速度(或驅動輸入扭矩)改變驅動輸出旋轉速度(或驅動輸出扭矩)的作用。借助於例如小齒輪級，與小齒輪級連接之上部軋輥及下部軋輥以相同旋轉速度在反方向上驅動。 Transmission devices with large gear shift stages and small gear stages are used in vertical main drives in rolling mill technology. The large gear stage plays a role in changing the drive output rotation speed (or drive output torque) relative to the drive input rotation speed (or drive input torque). By means of, for example, a pinion stage, the upper and lower rolls connected to the pinion stage are driven in opposite directions at the same rotation speed.

因此，例如，DE 42 19 399 A1描述一種用於機器軋輥之軋輥驅動器，該驅動器包含驅動輸入軸與待驅動之印刷軋輥之間的變速器。 Thus, for example, DE 42 19 399 A1 describes a roll drive for machine rolls, which drive contains a transmission between the drive input shaft and the printing roll to be driven.

原則上，變速器內之每一齒嚙合以齒輪級之齒嚙合頻率及其諧波在驅動系統中產生振動之激勵。來自驅動系統之該種類的激勵在尤其高速度滾軋設施(例如，冷滾軋設施)狀況下可激勵軋輥立件或軋輥組(例如，根據所謂「第五倍頻程震顫」)的自然振動模式，結果為產品品質可被實質上損 害。頻繁地有必要的是限制生產速率以便避免振動之臨界激勵。速度加速或減速轉換級之齒輪連接尤其為該種類之速度比率激勵的因果參與者，此係由於此齒輪連接相較於小齒輪級具有較高扭矩加載。在大齒輪/小齒輪變速器之構造的習知模式之狀況下，此問題亦在設想具有大約或等於一之轉換的變速級時在所有變速級情況下發生。此外，傳輸輪之相當大的質量慣量對驅動系統之動態行為及振動行為具有不利影響，結果為關於最佳化旋轉速度之調節的問題可發生。 In principle, each tooth meshing in the transmission uses the tooth meshing frequency of the gear stage and its harmonics to generate vibration excitation in the drive system. This type of excitation from the drive system can excite the natural vibration mode of the roll stand or roll group (for example, according to the so-called "fifth octave tremor") under conditions of especially high-speed rolling facilities (for example, cold rolling facilities) , As a result, product quality can be substantially compromised harm. It is frequently necessary to limit the production rate in order to avoid critical excitation of vibration. The gear connection of the speed acceleration or deceleration conversion stage is especially the causal participant of this kind of speed ratio excitation, because this gear connection has a higher torque load than the pinion gear stage. Under the condition of the conventional mode of the structure of the large gear/pinion gear transmission, this problem also occurs in the case of all gear stages when conceiving a shift stage with a shift of approximately or equal to one. In addition, the considerable mass inertia of the transmission wheel has an adverse effect on the dynamic behavior and vibration behavior of the drive system, with the result that problems regarding the adjustment of the optimized rotation speed can occur.

本發明之一目標由指示特定而言用於滾軋機技術中之變速器組成，該變速器已改良了振動行為且因此較佳地能夠減小生產損耗及質量損失。 One object of the present invention consists of indicating a transmission used in rolling mill technology in particular, which has improved vibration behavior and is therefore better able to reduce production losses and quality losses.

該目標藉由具有技術方案1之特徵的變速器實現。有利開發自附屬技術方案、本發明之以下說明以及較佳實施例的描述為顯然的。 This goal is achieved by a transmission with the features of Technical Solution 1. The advantageous development from the attached technical solution, the following description of the present invention, and the description of the preferred embodiments are apparent.

包含至少兩個變速級之變速器特別適合於用於滾軋機技術中，此係由於其較佳地可用作軋輥之主要驅動器的部分，該等軋輥係例如條帶塑形產品之冷滾軋中的工作軋輥、中間軋輥及/或背襯軋輥，該等條帶塑形產品係例如鋼或非鐵金屬(亦即，所謂NF金屬)的金屬條帶。 Transmissions containing at least two variable speed stages are particularly suitable for use in rolling mill technology, because they are preferably used as the main drive part of the rolls, such as the cold rolling of strip shaped products The working rolls, intermediate rolls and/or backing rolls of, such strip shaped products are metal strips of steel or non-ferrous metals (ie, so-called NF metal).

變速器包含一可旋轉安裝之驅動輸入軸，一輸入扭矩可施加至該驅動輸入軸。該驅動輸入軸可藉由例如一電馬達驅動，亦即，設定為旋轉。此外，該變速器包含一可旋轉安裝之第一驅動輸出軸及一可旋轉安裝之第二驅動輸出軸，其沿著軸向方向經並行地配置且借助於一驅動輸出傳輸級連接在一起，使得當一輸入扭矩施加至該驅動輸入軸時，該第一驅動輸出軸及該第二驅動輸出軸較佳以同一旋轉速度在反方向上旋轉。該變速器進一步包含一第一離合器，其經配置而以一可切換方式將該驅動輸入軸及該第一驅動輸出軸連接在 一起及分離該驅動輸入軸及該第一驅動輸出軸，其中在該第一離合器之嚙合狀態下，該變速器之一第一變速級被實現，在該嚙合狀態下，該驅動輸入軸及該第一驅動輸出軸連接至一起，使得扭矩被傳輸至該第一驅動輸出軸而無速度加速或減速轉換。換言之：在該第一離合器之嚙合狀態下，該輸入扭矩在為一之轉換且無轉向(diversion)時在無齒輪連接情況下直接自該驅動輸入軸傳輸至該第一驅動輸出軸。對於優選項，為此目的，驅動輸入軸及第一驅動輸出軸在第一離合器之嚙合狀態下以剛性方式連接。 The transmission includes a rotatably mounted drive input shaft, and an input torque can be applied to the drive input shaft. The drive input shaft can be driven by, for example, an electric motor, that is, set to rotate. In addition, the transmission includes a rotatably mounted first drive output shaft and a rotatably mounted second drive output shaft, which are arranged in parallel along the axial direction and connected together by means of a drive output transmission stage, so that When an input torque is applied to the drive input shaft, the first drive output shaft and the second drive output shaft preferably rotate in opposite directions at the same rotation speed. The transmission further includes a first clutch configured to connect the drive input shaft and the first drive output shaft in a switchable manner Together and separate the drive input shaft and the first drive output shaft, wherein in the engaged state of the first clutch, a first gear stage of the transmission is realized, and in the engaged state, the drive input shaft and the first A drive output shaft is connected together so that torque is transmitted to the first drive output shaft without speed acceleration or deceleration conversion. In other words: in the engaged state of the first clutch, the input torque is directly transmitted from the drive input shaft to the first drive output shaft when the input torque is one-to-one conversion and no diversion without gear connection. For preference, for this purpose, the drive input shaft and the first drive output shaft are rigidly connected in the engaged state of the first clutch.

在解釋變速器之技術效應之前，應注意，指定「第一」及「第二」僅起到相關組件之文法區別的作用，且達被理解為指定之部分但並不暗示任何次序、相依性或類似者的程度。此外，若提及可旋轉安裝之傳輸組件例如驅動輸入軸及第一驅動輸出軸之「連接」，例如，可接著存在機械剛性連接，但重要的是保證扭矩傳輸。 Before explaining the technical effects of the transmission, it should be noted that the designation of "first" and "second" only serves as a grammatical distinction between the relevant components, and the reach is understood as the designated part but does not imply any order, dependency or The degree of similarity. In addition, when it comes to rotatably mounted transmission components such as the "connection" between the drive input shaft and the first drive output shaft, for example, there may be a mechanical rigid connection, but it is important to ensure torque transmission.

在該第一離合器之該嚙合狀態下，由於變速器之一第一變速級被實現，因此該變速器歸因於一可能傳輸齒輪連接(toothing)的振動之激勵被消除，此係由於該驅動輸入軸及該第一驅動輸出軸在無齒輪連接情況下借助於該第一離合器連接在一起。具有齒輪連接之一轉換級因此在該變速器之該第一變速級中被消除。此情形伴隨有第一變速級中驅動系統的更有利動態行為，此係由於諸如習知變速級之大齒輪的慣性塊體被消除。此外，因此，變速器在維護上為經濟、緊湊且低成本的。 In the engaged state of the first clutch, since a first gear stage of the transmission is realized, the transmission due to a possible transmission gear connection (toothing) vibration excitation is eliminated, which is due to the drive input shaft And the first drive output shaft is connected by the first clutch without gear connection. A shift stage with a gear connection is therefore eliminated in the first shift stage of the transmission. This situation is accompanied by a more favorable dynamic behavior of the drive system in the first gear stage due to the elimination of inertial masses such as the large gears of the conventional gear stage. In addition, therefore, the transmission is economical, compact and low-cost in maintenance.

該驅動輸入軸及該第一驅動輸出軸較佳地沿著同一旋轉軸軸向地一個接一個地安裝，結果可實現構造之緊湊模式。該驅動輸入軸及該第一驅動輸出軸在此狀況下為分離組件，然而該驅動輸入軸及該第一驅動輸出軸以一方式技術上連接，使得其類似於單一軸般起作用。在嚙合狀態下，該第一離合器可藉由特別簡單之構造實現一可靠且剛性連接。 The drive input shaft and the first drive output shaft are preferably installed axially one after another along the same rotating shaft, with the result that a compact mode of construction can be realized. The drive input shaft and the first drive output shaft are separate components in this situation, but the drive input shaft and the first drive output shaft are technically connected in a manner such that they function like a single shaft. In the engaged state, the first clutch can achieve a reliable and rigid connection with a particularly simple structure.

該驅動輸出傳輸級較佳包含與該第一驅動輸出軸固定地連接之一第一小齒輪及與該第二驅動輸出軸固定地連接並與該第一小齒輪咬合之一第二小齒輪，其中該第一小齒輪及該第二小齒輪較佳具有相同直徑。若該變速器以此方式構建為一小齒輪傳輸裝置，則螺旋齒小齒輪安置為藉由若干齒同時嚙合，結果為確保一低振動且均勻之扭矩傳輸。應注意，上述「固定」連接包含一一體式且單件式構造。該兩個小齒輪具有相同直徑以便實現具有相反旋轉方向的相同旋轉速度。此構造特別可用於一軋輥對的驅動器。 The drive output transmission stage preferably includes a first pinion gear fixedly connected to the first drive output shaft and a second pinion gear fixedly connected to the second drive output shaft and meshed with the first pinion gear, The first pinion gear and the second pinion gear preferably have the same diameter. If the transmission is constructed as a pinion gear transmission device in this way, the helical pinion gear is arranged to mesh with several teeth simultaneously, resulting in a low vibration and uniform torque transmission. It should be noted that the above-mentioned "fixed" connection includes a one-piece and one-piece structure. The two pinions have the same diameter in order to achieve the same rotation speed with opposite rotation directions. This configuration is particularly useful for the drive of a roll pair.

較佳地，該第一離合器為一機械正離合器，其根據一具體形式之實施例包含一第一變速套管，其相對於該第一驅動輸出軸同心地配置且可軸向移位以切換該第一離合器。該驅動輸入軸及第一驅動輸出軸之耦接及分離以此方式在技術上簡單且可靠之方式實現，經由該第一變速套管為了致動第一離合器(亦即，嚙合或脫嚙第一離合器)經軸向移位。 Preferably, the first clutch is a mechanical positive clutch, which according to a specific form of embodiment includes a first transmission sleeve, which is arranged concentrically with respect to the first drive output shaft and can be axially displaced for switching The first clutch. The coupling and separation of the drive input shaft and the first drive output shaft are realized in a technically simple and reliable manner in this way. In order to activate the first clutch (that is, to engage or disengage the first clutch via the first transmission sleeve) A clutch) is axially displaced.

該變速器較佳包含一驅動輸入傳輸級，其在第二變速級中在該驅動輸入軸與該第二驅動輸出軸之間實現一速度加速或減速轉換，較佳速度減速轉換。該第一變速級較佳針對高滾軋速度以大約或等於一之轉換使用，其中振動之激勵之問題為特別相關的。設施總體而言對於振動較不敏感的低滾軋速度相比之下在速度減速轉換情況下較佳以第二變速級操作。 The transmission preferably includes a drive input transmission stage, which realizes a speed acceleration or deceleration conversion between the drive input shaft and the second drive output shaft in the second shift stage, preferably a speed reduction conversion. The first gear stage is preferably used for high rolling speeds with a conversion of approximately or equal to one, where the problem of vibration excitation is particularly relevant. The facility as a whole is less sensitive to vibration at low rolling speeds than it is better to operate in the second gear in the case of speed reduction shifts.

較佳地，該驅動輸入傳輸級包含與該驅動輸入軸固定地連接之一第一大齒輪及一第二大齒輪，該第二大齒輪與該第一齒輪咬合且與該第二驅動輸出軸可連接，使得在該第二變速級中，來自該驅動輸入軸之該輸入扭矩藉由該兩個大齒輪轉換並傳輸至該第二驅動輸出軸，其中該第一大齒輪之直徑出於上述原因較佳小於該第二大齒輪的直徑。該第二變速級以此方式以一機械簡單且可靠的方式實現。該變速器藉由特定偏好作為一大齒輪/小齒輪變速器執行。應注意到，同樣在此狀況下，上述「固定」連接包含一一體式且單件式構 造。 Preferably, the drive input transmission stage includes a first large gear and a second large gear that are fixedly connected to the drive input shaft, and the second large gear engages with the first gear and is engaged with the second drive output shaft It can be connected so that in the second gear stage, the input torque from the drive input shaft is converted by the two large gears and transmitted to the second drive output shaft, wherein the diameter of the first large gear is from the above The reason is preferably smaller than the diameter of the second large gear. In this way, the second gear stage is realized in a mechanically simple and reliable way. The transmission is implemented as a large gear/pinion transmission with specific preferences. It should be noted that also in this situation, the above-mentioned "fixed" connection includes an integrated and one-piece structure. Made.

該驅動輸入傳輸級較佳包含一第二離合器，其經配置而連接在一起並以一可切換方式分離該驅動輸入軸與該第二驅動輸出軸，在該狀況下，該變速器之該第二變速級在該第二離合器之該嚙合狀態下實現。該第二離合器較佳地在該第二驅動輸出軸與該第二大齒輪之間起作用。一第二大齒輪對在該第一變速級中借助於該驅動輸入軸與驅動輸出軸之間的該剛性耦接保持，結果歸因於質量慣性之所保持力矩，達成驅動系統之特別有利的動態行為。 The drive input transmission stage preferably includes a second clutch that is configured to be connected together and separate the drive input shaft from the second drive output shaft in a switchable manner. Under this condition, the second clutch of the transmission The shift stage is realized in the engaged state of the second clutch. The second clutch preferably acts between the second drive output shaft and the second large gear. A second large gear pair is held in the first gear stage by means of the rigid coupling between the drive input shaft and the drive output shaft. As a result, the holding torque due to the mass inertia achieves a particularly advantageous drive system Dynamic behavior.

該第二離合器較佳為一機械正離合器，其根據具體形式之實施例且類似於第一離合器之狀況包含一第二變速套管，其相對於該第二驅動輸出軸同心地配置且可軸向地移位從而切換該第二離合器。以此方式，該驅動輸入軸或該第二大齒輪至該第二驅動輸出軸之耦接及與該第二驅動輸出軸的分離以技術上簡單且安全之方式實現在於，對於第二離合器之致動，亦即嚙合或脫嚙，軸向地移位第二變速套管。 The second clutch is preferably a mechanical positive clutch, which according to the specific form of embodiment and similar to the first clutch includes a second transmission sleeve, which is arranged concentrically with respect to the second drive output shaft and can be shafted Shift to the ground to switch the second clutch. In this way, the coupling of the drive input shaft or the second large gear to the second drive output shaft and the separation from the second drive output shaft can be realized in a technically simple and safe manner in that for the second clutch Actuation, that is, engagement or disengagement, axially displaces the second shift sleeve.

較佳地，該第一離合器及該第二離合器以電子、機械或以另一方式耦接在一起，使得其始終在共同且在反方向上切換。根據尤佳形式之實施例，該第一離合器及該第二離合器例如借助一槓桿機構機械耦接在一起。針對一變速過程被同時致動之兩個離合器的一機械耦接確保該變速器之系統固有可靠性。 Preferably, the first clutch and the second clutch are coupled together electronically, mechanically or in another manner, so that they are always switched in a common and opposite direction. According to a particularly preferred form of embodiment, the first clutch and the second clutch are mechanically coupled together, for example, by a lever mechanism. A mechanical coupling of two clutches that are simultaneously activated for a shifting process ensures the inherent reliability of the transmission system.

該所說明變速器係處於經設計用於滾軋機技術特別是用於金屬條帶之冷滾軋的第一個例中，在該例項中，來自軋輥之驅動器的振動可顯著地損害產品品質。然而，該變速器亦可用於其他領域中。 The described transmission is in the first case designed for rolling mill technology, especially for cold rolling of metal strips, in which the vibration from the drive of the roll can significantly impair product quality. However, the transmission can also be used in other fields.

本發明之其他優勢及特徵自較佳實施例之以下描述內容為顯而易見。在各種特徵並不衝突的限度內，該處所描述之特徵自身或結合上述特徵中之一或多者來實現。較佳實施例之以下描述參看附圖進行。 Other advantages and features of the present invention are apparent from the following description of the preferred embodiments. To the extent that the various features do not conflict, the features described in this place can be implemented by themselves or in combination with one or more of the above features. The following description of the preferred embodiment is made with reference to the accompanying drawings.

1:變速器 1: Transmission

10:外殼 10: Shell

20:驅動輸入軸 20: drive input shaft

21:第一大齒輪 21: The first big gear

30:第一驅動輸出軸 30: The first drive output shaft

31:第一小齒輪 31: The first pinion

40:第二驅動輸出軸 40: second drive output shaft

41:第二小齒輪 41: second pinion

42:第二大齒輪 42: The second largest gear

43:軸承 43: Bearing

50:第一離合器 50: first clutch

51:第一圓筒形變速套管 51: The first cylindrical gear sleeve

52、53:第一離合器反向部件 52, 53: first clutch reverse component

60:第二離合器 60: second clutch

61:軸向移位之圓筒形第二變速套管 61: Axial displacement cylindrical second transmission sleeve

62、63:第二離合器反向部件 62, 63: second clutch reverse component

圖1示意性地展示處於第一變速步驟之狀態下的齒輪/小齒輪變速器；且圖2示意性地展示處於第二變速步驟之狀態下的大齒輪/小齒輪變速器。 Fig. 1 schematically shows the gear/pinion transmission in the state of the first shift step; and Fig. 2 schematically shows the large gear/pinion transmission in the state of the second shift step.

下文參看諸圖描述較佳實施例。在該狀況下，相同、類似或等效元件具備相同元件符號，且此等元件之重複描述被部分免除以便避免冗餘。 The preferred embodiments are described below with reference to the figures. In this situation, the same, similar or equivalent elements have the same element symbols, and the repeated description of these elements is partially exempted in order to avoid redundancy.

圖1及圖2展示處於兩個不同變速狀態的作為例如大齒輪/小齒輪傳輸裝置執行的變速器1。 Figures 1 and 2 show the transmission 1 implemented as, for example, a large gear/pinion gear transmission device in two different shifting states.

變速器1包含外殼10，在該外殼中，可旋轉地安裝驅動輸入軸20、第一驅動輸出軸30及第二驅動輸出軸40。旋轉軸承展示於圖1及圖2中，但為清楚起見並不攜帶圖示元件符號。驅動輸入軸20、第一驅動輸出軸30及第二驅動輸出軸40在本實例中經並行地配置，其中驅動輸入軸20及第一驅動輸出軸30軸向接續地安置且借助於第一離合器50可剛性地連接在一起並可分離。驅動輸入軸20可借助於例如電馬達(圖中未示)設定為旋轉。驅動輸入軸20之扭矩在給定狀況下在變速器1中轉換，如下文更詳細地描述一般，且傳輸至兩個驅動輸出軸30及40。 The transmission 1 includes a housing 10 in which a drive input shaft 20, a first drive output shaft 30, and a second drive output shaft 40 are rotatably mounted. Rotating bearings are shown in Figures 1 and 2, but the illustrated component symbols are not included for clarity. The drive input shaft 20, the first drive output shaft 30, and the second drive output shaft 40 are arranged in parallel in this example, in which the drive input shaft 20 and the first drive output shaft 30 are arranged in axial succession and are arranged in succession by means of the first clutch 50 can be rigidly connected together and separated. The drive input shaft 20 can be set to rotate by means of, for example, an electric motor (not shown in the figure). The torque of the drive input shaft 20 is converted in the transmission 1 under given conditions, as described in more detail below, and is transmitted to the two drive output shafts 30 and 40.

在第一離合器50之嚙合狀態下，驅動輸入軸20及第一驅動輸出軸30在無齒輪連接情況下剛性地連接在一起。第一離合器50較佳地產生兩個軸之機械正連接。在本實施例中，為了該用途提供第一圓筒形變速套管51，其相對於驅動輸入軸20及第一驅動輸出軸30同心地配置且在軸向方向上可移位。在耦接狀態下，第一變速套管51安置為與該驅動輸入軸20及第一驅動輸出軸30同 時嚙合，藉此兩個軸20及30機械正連接。 In the engaged state of the first clutch 50, the drive input shaft 20 and the first drive output shaft 30 are rigidly connected together without a gear connection. The first clutch 50 preferably creates a mechanical positive connection of the two shafts. In this embodiment, for this purpose, a first cylindrical transmission sleeve 51 is provided, which is arranged concentrically with respect to the drive input shaft 20 and the first drive output shaft 30 and is displaceable in the axial direction. In the coupled state, the first transmission sleeve 51 is arranged to be the same as the drive input shaft 20 and the first drive output shaft 30 The two shafts 20 and 30 are mechanically connected.

嚙合可直接地發生，或第一變速套管51如在所說明之實施例中一般可在第一離合器反向部件52及53上方推動，其對應地與驅動輸入軸20及第一驅動輸出軸30固定地連接。經由第一變速套管51之軸向移位，使得兩個軸20及30中之至少一者不再與該第一變速套管嚙合，第一離合器50經釋放且兩個軸20及30分離開，結果為其彼此可獨立地旋轉。第一變速套管51之致動可電動、氣動或以任何其他方式發生。應注意，第一離合器50亦可以技術上不同之方式實現，例如，驅動輸入軸20及第一驅動輸出軸30之剛性連接可以摩擦方式產生。 The engagement can occur directly, or the first transmission sleeve 51 can generally be pushed over the first clutch reversing members 52 and 53, as in the illustrated embodiment, which correspond to the drive input shaft 20 and the first drive output shaft. 30 is fixedly connected. Through the axial displacement of the first transmission sleeve 51, so that at least one of the two shafts 20 and 30 no longer engages with the first transmission sleeve, the first clutch 50 is released and the two shafts 20 and 30 are separated The result is that they can rotate independently of each other. The actuation of the first transmission sleeve 51 can occur electrically, pneumatically, or in any other manner. It should be noted that the first clutch 50 can also be implemented in a technically different manner. For example, the rigid connection between the drive input shaft 20 and the first drive output shaft 30 can be produced by friction.

圖1展示如下狀態：第一離合器50經致動，使得驅動輸入軸20及第一驅動輸出軸30剛性地連接在一起。輸入扭矩因此自驅動輸入軸20一對一地傳送至第一驅動輸出軸30。 FIG. 1 shows the following state: the first clutch 50 is actuated so that the drive input shaft 20 and the first drive output shaft 30 are rigidly connected together. The input torque is therefore transmitted from the drive input shaft 20 to the first drive output shaft 30 one-to-one.

第一小齒輪31與第一驅動輸出軸30固定地連接，例如，與該第一驅動輸出軸一體式地構建。第一小齒輪31與第二小齒輪41咬合，該第二小齒輪又與第二驅動輸出軸40固定地連接，例如，與該第二驅動輸出軸一體式地構建。兩個小齒輪31及41較佳具有相同直徑，使得在所施加之輸入扭矩狀況下，兩個驅動輸出軸30及40以相同旋轉速度在反方向上被驅動。在本實施例中，兩個小齒輪31及41形成上文所提及之驅動輸出傳輸級。替代小齒輪31及41，用途亦可由其他傳輸元件較佳地適當形式的齒形輪構成，只要確保在施加至驅動軸20之輸入扭矩狀況下，兩個驅動輸出軸30及40較佳地以相同旋轉速度以所界定之旋轉速度比率在反方向上被驅動。 The first pinion 31 is fixedly connected to the first drive output shaft 30, for example, is integrally constructed with the first drive output shaft. The first pinion gear 31 meshes with the second pinion gear 41, and the second pinion gear is fixedly connected with the second drive output shaft 40, for example, is constructed integrally with the second drive output shaft. The two pinions 31 and 41 preferably have the same diameter, so that the two drive output shafts 30 and 40 are driven in opposite directions at the same rotational speed under the condition of the applied input torque. In this embodiment, the two pinions 31 and 41 form the drive output transmission stage mentioned above. Instead of the pinion gears 31 and 41, the purpose can also be formed by other transmission elements preferably in a suitable form of toothed wheels, as long as it is ensured that under the condition of the input torque applied to the drive shaft 20, the two drive output shafts 30 and 40 are preferably The same rotation speed is driven in the opposite direction at a defined rotation speed ratio.

在圖1之耦接狀態(第一變速級)下，扭矩亦即輸入扭矩的如藉由圖中之箭頭所說明的傳輸藉由驅動輸入軸20及第一驅動輸出軸30至第一小齒輪31之剛性連接直接且在無轉向情況下傳輸，該第一小齒輪又驅動第二小齒輪 41且因此在反方向上驅動第二驅動輸出軸40。為了達成此力路徑，對於展示於圖2中且在下文描述之第二變速級有必要的是被解耦。 In the coupled state (first gear stage) of FIG. 1, the torque, that is, the transmission of the input torque as illustrated by the arrows in the figure, is transmitted through the drive input shaft 20 and the first drive output shaft 30 to the first pinion gear The rigid connection of 31 is direct and transmits without turning, the first pinion in turn drives the second pinion 41 and therefore drive the second drive output shaft 40 in the opposite direction. In order to achieve this force path, it is necessary for the second gear stage shown in FIG. 2 and described below to be decoupled.

在圖2之狀態下，驅動輸入軸20及第一驅動輸出軸30經解耦，亦即，使第一離合器50脫嚙。與驅動輸入軸20固定地連接例如與該驅動輸入軸一體式地構建之第一大齒輪21安置為與第二大齒輪42咬合。第二大齒輪42與第二驅動輸出軸40可連接，使得第二大齒輪42之旋轉可驅動第二驅動輸出軸40。設置於第二大齒輪42與第二驅動輸出軸40之間為軸承43，其經設計使得在圖1之第一變速級中，亦即在力自第一小齒輪31傳輸至第二小齒輪41的狀況下，第二大齒輪42在無扭矩情況下與該第二驅動輸出軸一起旋轉。 In the state of FIG. 2, the drive input shaft 20 and the first drive output shaft 30 are decoupled, that is, the first clutch 50 is disengaged. The first large gear 21 that is fixedly connected to the drive input shaft 20, for example, is constructed integrally with the drive input shaft, and is arranged to engage with the second large gear 42. The second large gear 42 can be connected to the second drive output shaft 40 such that the rotation of the second large gear 42 can drive the second drive output shaft 40. Disposed between the second large gear 42 and the second drive output shaft 40 is a bearing 43, which is designed so that in the first gear stage of FIG. 1, that is, when the force is transmitted from the first pinion 31 to the second pinion Under the condition of 41, the second large gear 42 rotates together with the second drive output shaft without torque.

如在第一離合器50之狀況下一般可借助於軸向移位之圓筒形第二變速套管61可切換的第二離合器60在第二大齒輪42與第二驅動輸出軸40之間起作用。在第二離合器60之嚙合狀態下，第二驅動輸出軸40與第二大齒輪42剛性地連接在一起。第二離合器60較佳地亦實現機械正連接。在本實施例中，相對於第二驅動輸出軸40同心地配置且在軸向方向上可移位的第二圓筒形變速套管61為了該用途而提供。在耦接狀態下，第二變速套管61在與第二驅動輸出軸40及第二大齒輪42嚙合情況下同時安置，結果為兩個元件機械正連接。嚙合可直接地發生，或第二變速套管61如在所展示之實施例中一般可在第二離合器反向部件62及63上方推動，其對應地與第二大齒輪42及第二驅動輸出軸40固定地連接。經由變速套管61之軸向脫嚙，第二離合器60經釋放，亦即，第二大齒輪42與第二驅動輸出軸40分離，結果為其彼此獨立地旋轉。如在第一離合器50之狀況下一般，第二變速套管61之致動可以電動、氣動或以另一方式發生。應注意，第二離合器60亦可以技術上不同之方式來實現，例如，連接可以摩擦方式產生。 For example, under the condition of the first clutch 50, the second clutch 60, which can be switched between the second large gear 42 and the second drive output shaft 40, can generally be shifted by means of the axially displaced cylindrical second transmission sleeve 61. effect. In the engaged state of the second clutch 60, the second drive output shaft 40 and the second large gear 42 are rigidly connected together. The second clutch 60 preferably also achieves a mechanical positive connection. In this embodiment, a second cylindrical transmission sleeve 61 that is arranged concentrically with respect to the second drive output shaft 40 and is displaceable in the axial direction is provided for this purpose. In the coupled state, the second transmission sleeve 61 is simultaneously arranged while meshing with the second drive output shaft 40 and the second large gear 42. As a result, the two elements are mechanically positively connected. The engagement can occur directly, or the second shift sleeve 61 can generally be pushed over the second clutch reversing members 62 and 63 as in the illustrated embodiment, which corresponds to the second large gear 42 and the second drive output The shaft 40 is fixedly connected. Through the axial disengagement of the shift sleeve 61, the second clutch 60 is released, that is, the second large gear 42 is separated from the second drive output shaft 40, and as a result, they rotate independently of each other. As in the case of the first clutch 50, the actuation of the second transmission sleeve 61 can occur electrically, pneumatically, or in another manner. It should be noted that the second clutch 60 can also be implemented in a technically different way, for example, the connection can be produced by friction.

在圖2之耦接狀態(第二變速級)中，扭矩傳輸如藉由圖中之箭 頭所說明，亦即來自驅動輸入軸20之輸入扭矩自第一大齒輪21傳輸至第二大齒輪42。第一大齒輪21較佳小於第二大齒輪42以便在此第二變速級中實現速度減速轉換。同時，第二離合器60經致動，使得扭矩自第二大齒輪42傳輸至第二驅動輸出軸40。此又借助於兩個小齒輪41及31將扭矩傳輸至第一驅動輸出軸30，其藉由並未嚙合之第一離合器50與驅動輸入軸20以機械方式離。 In the coupled state (second gear stage) in Figure 2, the torque transmission is as shown by the arrow in the figure As explained above, the input torque from the drive input shaft 20 is transmitted from the first large gear 21 to the second large gear 42. The first large gear 21 is preferably smaller than the second large gear 42 in order to achieve speed reduction conversion in this second shift stage. At the same time, the second clutch 60 is activated, so that the torque is transmitted from the second large gear 42 to the second drive output shaft 40. This in turn uses the two pinions 41 and 31 to transmit torque to the first drive output shaft 30, which is mechanically separated from the drive input shaft 20 by the first clutch 50 that is not engaged.

根據上文解釋之構造，第一變速級亦即圖1的第一變速級實現傳輸驅動輸入與驅動輸出之間的數量為一(無速度加速或減速轉換)的靜態轉換。齒輪連接在此第一變速級中為冗餘的；此為藉由第一離合器50使得有可能的技術貢獻。第一變速級中之可切換第一離合器50在無齒輪連接情況下以剛性方式連接驅動輸入軸20與第一驅動輸出軸30。若第二變速級亦即圖2之第二變速級在不等於一之速度加速轉換或減速轉換情況下嚙合，則驅動輸入軸20及第一驅動輸出軸30經分離，使得接著具有齒輪連接之轉換級借助於大齒輪21及42處於嚙合狀態。對於該用途，兩個離合器50及60必須在反方向上同時切換，因此<輸入>/<輸出>

Figure 107120522-A0305-02-0012-1
<輸出>/<輸入>。較佳地，兩個離合器50及60經機械耦接。 According to the configuration explained above, the first gear stage, that is, the first gear stage in FIG. 1 realizes a static conversion in which the number of transmission drive input and drive output is one (no speed acceleration or deceleration conversion). The gear connection is redundant in this first gear stage; this is a technical contribution made possible by the first clutch 50. The switchable first clutch 50 in the first gear stage connects the drive input shaft 20 and the first drive output shaft 30 in a rigid manner without gear connection. If the second gear stage, that is, the second gear stage of FIG. 2 is engaged in a speed acceleration conversion or a deceleration conversion that is not equal to one, the drive input shaft 20 and the first drive output shaft 30 are separated, so that there is a gear connection The conversion stage is in meshing state by means of large gears 21 and 42. For this purpose, the two clutches 50 and 60 must be switched in the opposite direction at the same time, so <input>/<output>
Figure 107120522-A0305-02-0012-1
<output>/<input>. Preferably, the two clutches 50 and 60 are mechanically coupled.

變速器1較佳經設計用於所謂直立式主驅動器。因此，第一變速級在大約或等於一之轉換情況下用於例如高滾軋速度，其中振動之激勵的問題特定言之為相關的。設施總體而言對於振動較不敏感的低滾軋速度相比之下在速度減速轉換情況下以第二變速級操作。 The transmission 1 is preferably designed for a so-called vertical main drive. Therefore, the first gear stage is used for high rolling speeds, for example, in the case of a shift of approximately or equal to one, where the problem of vibration excitation is specifically related. The facility as a whole is less sensitive to vibration at low rolling speeds, in contrast to operating at the second gear stage with speed reduction shifts.

較佳構建為大齒輪/小齒輪變速器之所說明變速器1使得有可能的是軋輥立件之振動之激勵的顯著減小在於，第一變速級中之大齒輪級被消除。此外，此情形另外伴隨有第一變速級中驅動系統的有利動態行為，此係由於諸如完整變速級之大齒輪的慣性塊體被消除。必須在變速程序中被同步地致動之兩個離合器50及60的機械耦合確保變速器1之系統固有可靠性。此外，變 速器1歸因於大齒輪級之省略而係經濟、緊湊且低維護成本的。 The illustrated transmission 1, preferably constructed as a large gear/pinion transmission, makes it possible that a significant reduction in the excitation of the vibration of the roll stand is that the large gear stage in the first gear stage is eliminated. In addition, this situation is additionally accompanied by favorable dynamic behavior of the drive system in the first gear stage, due to the elimination of inertial masses such as the large gear of the complete gear stage. The mechanical coupling of the two clutches 50 and 60 that must be actuated synchronously in the shifting sequence ensures the inherent reliability of the transmission 1 system. In addition, change The speed gear 1 is economical, compact and low-maintenance due to the omission of the large gear stage.

1‧‧‧變速器 1‧‧‧Transmission

10‧‧‧外殼 10‧‧‧Shell

20‧‧‧驅動輸入軸 20‧‧‧Drive input shaft

21‧‧‧第一大齒輪 21‧‧‧The first big gear

30‧‧‧第一驅動輸出軸 30‧‧‧The first drive output shaft

31‧‧‧第一小齒輪 31‧‧‧First pinion

40‧‧‧第二驅動輸出軸 40‧‧‧Second drive output shaft

41‧‧‧第二小齒輪 41‧‧‧Second pinion

42‧‧‧第二大齒輪 42‧‧‧The second largest gear

43‧‧‧軸承 43‧‧‧Bearing

50‧‧‧第一離合器 50‧‧‧First clutch

51‧‧‧第一圓筒形變速套管 51‧‧‧The first cylindrical transmission sleeve

52、53‧‧‧第一離合器反向部件 52、53‧‧‧First clutch reverse part

60‧‧‧第二離合器 60‧‧‧Second clutch

61‧‧‧軸向移位之圓筒形第二變速套管 61‧‧‧Cylindrical second shift sleeve with axial displacement

62、63‧‧‧第二離合器反向部件 62、63‧‧‧Second clutch reverse part

Claims (10)

一種較佳地用於滾軋機技術中之具有至少兩個變速級之變速器(1)，其包含：一可旋轉地安裝之驅動輸入軸(20)，一輸入扭矩能施加至該驅動輸入軸；一可旋轉地安裝之第一驅動輸出軸(30)及一可旋轉地安裝之第二驅動輸出軸(40)，其經並行地配置且借助於一驅動輸出傳輸級連接在一起，使得在該變速器(1)之每一變速級中，當一輸入扭矩施加至該驅動輸入軸(20)時，該第一驅動輸出軸及該第二驅動輸出軸較佳以同一旋轉速度在反方向上旋轉；及一第一離合器(50)，其經配置而以一可切換方式將該驅動輸入軸(20)及該第一驅動輸出軸(30)連接在一起及分離該驅動輸入軸(20)及該第一驅動輸出軸(30)，其中在該第一離合器(50)之嚙合狀態下，該變速器(1)之一第一變速級被實現，在該第一變速級中，該驅動輸入軸(20)及該第一驅動輸出軸(30)連接在一起，使得該輸入扭矩在無速度加速或減速轉換且較佳地無轉向且無一大齒輪級情況下自該驅動輸入軸(20)傳輸至該第一驅動輸出軸(30)。 A transmission (1) preferably used in rolling mill technology with at least two gear stages, comprising: a rotatably mounted drive input shaft (20), and an input torque can be applied to the drive input shaft; A rotatably installed first drive output shaft (30) and a rotatably installed second drive output shaft (40), which are arranged in parallel and connected together by means of a drive output transmission stage, so that In each gear stage of the transmission (1), when an input torque is applied to the drive input shaft (20), the first drive output shaft and the second drive output shaft preferably rotate in opposite directions at the same rotation speed; And a first clutch (50), which is configured to connect the drive input shaft (20) and the first drive output shaft (30) together in a switchable manner and to separate the drive input shaft (20) and the The first drive output shaft (30), wherein in the engaged state of the first clutch (50), a first gear stage of the transmission (1) is realized. In the first gear stage, the drive input shaft ( 20) and the first drive output shaft (30) are connected together, so that the input torque is transmitted from the drive input shaft (20) without speed acceleration or deceleration conversion, preferably without steering, and without a large gear stage To the first drive output shaft (30). 如請求項1所述之變速器(1)，其特徵在於該驅動輸入軸(20)及該第一驅動輸出軸(30)沿著同一旋轉軸接續軸向地安裝。 The transmission (1) according to claim 1, characterized in that the drive input shaft (20) and the first drive output shaft (30) are axially mounted consecutively along the same rotating shaft. 如請求項1或2所述之變速器(1)，其特徵在於該驅動輸出傳輸級包含與該第一驅動輸出軸(30)固定地連接之一第一小齒輪(31)及與該第二驅動輸出軸(40)固定地連接並與該第一小齒輪(31)咬合之一第二小齒輪(41)，其中該第一小齒輪(31)及該第二小齒輪(41)較佳具有相同直徑。 The transmission (1) according to claim 1 or 2, characterized in that the drive output transmission stage includes a first pinion (31) fixedly connected to the first drive output shaft (30) and a The drive output shaft (40) is fixedly connected with the first pinion gear (31) and meshes with a second pinion gear (41), wherein the first pinion gear (31) and the second pinion gear (41) are better Have the same diameter. 如請求項1或2所述之變速器(1)，其特徵在於該第一離合器 (50)為一機械正離合器，該機械正離合器較佳地包含一第一變速套管(51)，其相對於該第一驅動輸出軸(30)同心地配置且其可軸向移位從而切換該第一離合器(50)。 The transmission (1) according to claim 1 or 2, characterized in that the first clutch (50) is a mechanical positive clutch, the mechanical positive clutch preferably includes a first transmission sleeve (51), which is arranged concentrically with respect to the first drive output shaft (30) and which can be axially displaced thereby Switch the first clutch (50). 如請求項1或2所述之變速器(1)，其特徵在於此變速器包含一驅動輸入傳輸級，其在一第二變速級中實現該驅動輸入軸(20)與該第二驅動輸出軸(40)之間的一速度加速或減速轉換。 The transmission (1) according to claim 1 or 2, characterized in that the transmission includes a drive input transmission stage, which realizes the drive input shaft (20) and the second drive output shaft ( 40) A speed acceleration or deceleration conversion between. 如請求項5所述之變速器(1)，其特徵在於該驅動輸入傳輸級包含與該驅動輸入軸(20)固定地連接之一第一大齒輪(21)及一第二大齒輪(42)，該第二大齒輪與該第一大齒輪(21)咬合且與該第二驅動輸出軸(40)可連接，使得在該第二變速級中，來自該驅動扭矩輸入軸(20)之該輸入扭矩藉由該兩個大齒輪(21，42)轉換並傳輸至該第二驅動輸出軸(40)，其中該第一大齒輪(21)之直徑較佳小於該第二大齒輪(42)的直徑。 The transmission (1) of claim 5, wherein the drive input transmission stage includes a first large gear (21) and a second large gear (42) fixedly connected to the drive input shaft (20) , The second large gear is engaged with the first large gear (21) and can be connected with the second drive output shaft (40), so that in the second gear stage, the drive torque input shaft (20) The input torque is converted by the two large gears (21, 42) and transmitted to the second drive output shaft (40), wherein the diameter of the first large gear (21) is preferably smaller than that of the second large gear (42) diameter of. 如請求項5所述之變速器(1)，其特徵在於該驅動輸入傳輸級包含一第二離合器(60)，其經配置而以一可切換方式連接在一起並分離該驅動輸入軸(20)與該第二驅動輸出軸(40)，較佳該第二大齒輪(42)及該第二驅動輸出軸(40)，其中該變速器(1)之該第二變速級在該第二離合器(60)之該嚙合狀態下實現。 The transmission (1) according to claim 5, characterized in that the drive input transmission stage includes a second clutch (60) which is configured to be connected together in a switchable manner and separate the drive input shaft (20) And the second drive output shaft (40), preferably the second large gear (42) and the second drive output shaft (40), wherein the second gear stage of the transmission (1) is in the second clutch ( 60) is realized in the meshing state. 如請求項7所述之變速器(1)，其特徵在於該第二離合器(60)為一機械正離合器，其較佳地包含一第二變速套管(61)，其相對於該驅動輸出軸(40)同心地配置且可軸向地移位從而切換該第二離合器(60)。 The transmission (1) according to claim 7, characterized in that the second clutch (60) is a mechanical positive clutch, which preferably includes a second transmission sleeve (61), which is relative to the drive output shaft (40) Concentrically arranged and axially displaceable to switch the second clutch (60). 如請求項7所述之變速器(1)，其特徵在於該第一離合器(50)及該第二離合器(60)耦接在一起，使得其始終共同且在反方向上切換，該第一離合器(50)及該第二離合器(60)較佳地以機械方式耦接在一起。 The transmission (1) according to claim 7, characterized in that the first clutch (50) and the second clutch (60) are coupled together so that they are always common and switch in the opposite direction, and the first clutch ( 50) and the second clutch (60) are preferably mechanically coupled together. 一種用於滾軋金屬條帶之滾軋機，其包含一如請求項1至9中任一項所述的變速器(1)，其中該第一驅動輸出軸(30)及該第二驅動輸出軸(40)各自與一各別工作、中間或背襯軋輥連接。 A rolling machine for rolling a metal strip, comprising a transmission (1) according to any one of claims 1 to 9, wherein the first drive output shaft (30) and the second drive output shaft (40) Each is connected to a separate work, middle or backing roll.
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